Add ui-tag.c

This file implements the tag-command, i.e. printing of annotated tags.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

7 files changed, 111 insertions, 32 deletions

diff --git a/Makefile b/Makefile
index cea09f1..50d0011 100644
--- a/Makefile
+++ b/Makefile
@@ -20,13 +20,13 @@ VERSION:
 -include VERSION
 
 
 EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lcrypto
 OBJECTS = shared.o cache.o parsing.o html.o ui-shared.o ui-repolist.o \
         ui-summary.o ui-log.o ui-tree.o ui-commit.o ui-diff.o \
-        ui-snapshot.o ui-blob.o
+        ui-snapshot.o ui-blob.o ui-tag.o
 
 CFLAGS += -Wall
 
 ifdef DEBUG
         CFLAGS += -g
 endif
diff --git a/cgit.c b/cgit.c
index 1281bfa..4b91829 100644
--- a/cgit.c
+++ b/cgit.c
@@ -98,12 +98,15 @@ static void cgit_print_repo_page(struct cacheitem *item)
         case CMD_TREE:
                 cgit_print_tree(cgit_query_sha1, cgit_query_path);
                 break;
         case CMD_COMMIT:
                 cgit_print_commit(cgit_query_sha1);
                 break;
+        case CMD_TAG:
+                cgit_print_tag(cgit_query_sha1);
+                break;
         case CMD_DIFF:
                 cgit_print_diff(cgit_query_sha1, cgit_query_sha2);
                 break;
         default:
                 cgit_print_error("Invalid request");
         }
diff --git a/cgit.h b/cgit.h
index 2ff5340..610a16d 100644
--- a/cgit.h
+++ b/cgit.h
@@ -24,13 +24,13 @@
 #define CMD_LOG      1
 #define CMD_COMMIT   2
 #define CMD_DIFF     3
 #define CMD_TREE     4
 #define CMD_BLOB     5
 #define CMD_SNAPSHOT 6
-
+#define CMD_TAG      7
 
 /*
  * Dateformats used on misc. pages
  */
 #define FMT_LONGDATE "%Y-%m-%d %H:%M:%S"
 #define FMT_SHORTDATE "%Y-%m-%d"
@@ -209,12 +209,14 @@ extern void cgit_log_link(char *name, char *title, char *class, char *head,
                           char *rev, char *path, int ofs);
 extern void cgit_commit_link(char *name, char *title, char *class, char *head,
                              char *rev);
 extern void cgit_diff_link(char *name, char *title, char *class, char *head,
                            char *new_rev, char *old_rev, char *path);
 
+extern void cgit_object_link(struct object *obj);
+
 extern void cgit_print_error(char *msg);
 extern void cgit_print_date(time_t secs, char *format);
 extern void cgit_print_age(time_t t, time_t max_relative, char *format);
 extern void cgit_print_docstart(char *title, struct cacheitem *item);
 extern void cgit_print_docend();
 extern void cgit_print_pageheader(char *title, int show_search);
@@ -225,12 +227,13 @@ extern void cgit_print_snapshot_start(const char *mimetype,
 extern void cgit_print_repolist(struct cacheitem *item);
 extern void cgit_print_summary();
 extern void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *path, int pager);
 extern void cgit_print_blob(struct cacheitem *item, const char *hex, char *path);
 extern void cgit_print_tree(const char *rev, char *path);
 extern void cgit_print_commit(char *hex);
+extern void cgit_print_tag(char *revname);
 extern void cgit_print_diff(const char *new_hex, const char *old_hex);
 extern void cgit_print_snapshot(struct cacheitem *item, const char *hex,
                                 const char *format, const char *prefix,
                                 const char *filename);
 
 #endif /* CGIT_H */
diff --git a/shared.c b/shared.c
index 1a5b866..06693b0 100644
--- a/shared.c
+++ b/shared.c
@@ -60,13 +60,13 @@ int   cgit_query_ofs    = 0;
 int htmlfd = 0;
 
 
 int cgit_get_cmd_index(const char *cmd)
 {
         static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
-                               "snapshot", NULL};
+                               "snapshot", "tag", NULL};
         int i;
 
         for(i = 0; cmds[i]; i++)
                 if (!strcmp(cmd, cmds[i]))
                         return i + 1;
         return 0;
diff --git a/ui-shared.c b/ui-shared.c
index d4376ce..fd71c12 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -215,12 +215,36 @@ void cgit_diff_link(char *name, char *title, char *class, char *head,
         }
         html("'>");
         html_txt(name);
         html("</a>");
 }
 
+void cgit_object_link(struct object *obj)
+{
+        char *page, *arg, *url;
+
+        if (obj->type == OBJ_COMMIT) {
+                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
+                                 cgit_query_head, sha1_to_hex(obj->sha1));
+                return;
+        } else if (obj->type == OBJ_TREE) {
+                page = "tree";
+                arg = "id";
+        } else {
+                page = "blob";
+                arg = "id";
+        }
+
+        url = cgit_pageurl(cgit_query_repo, page,
+                           fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
+        html_link_open(url, NULL, NULL);
+        htmlf("%s %s", typename(obj->type),
+              sha1_to_hex(obj->sha1));
+        html_link_close();
+}
+
 void cgit_print_date(time_t secs, char *format)
 {
         char buf[64];
         struct tm *time;
 
         time = gmtime(&secs);
diff --git a/ui-summary.c b/ui-summary.c
index b4bc6d8..de8a180 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -44,37 +44,12 @@ static int cgit_print_branch_cb(const char *refname, const unsigned char *sha1,
                 html("</td></tr>\n");
         }
         free(ref);
         return 0;
 }
 
-
-static void cgit_print_object_ref(struct object *obj)
-{
-        char *page, *arg, *url;
-
-        if (obj->type == OBJ_COMMIT) {
-                cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
-                                 cgit_query_head, sha1_to_hex(obj->sha1));
-                return;
-        } else if (obj->type == OBJ_TREE) {
-                page = "tree";
-                arg = "id";
-        } else {
-                page = "view";
-                arg = "id";
-        }
-
-        url = cgit_pageurl(cgit_query_repo, page,
-                           fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
-        html_link_open(url, NULL, NULL);
-        htmlf("%s %s", typename(obj->type),
-              sha1_to_hex(obj->sha1));
-        html_link_close();
-}
-
 static void print_tag_header()
 {
         html("<tr class='nohover'><th class='left'>Tag</th>"
              "<th class='left'>Age</th>"
              "<th class='left'>Author</th>"
              "<th class='left'>Reference</th></tr>\n");
@@ -97,33 +72,33 @@ static int cgit_print_tag_cb(const char *refname, const unsigned char *sha1,
                 tag = lookup_tag(sha1);
                 if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
                         return 2;
                 if (!header)
                         print_tag_header();
                 html("<tr><td>");
-                url = cgit_pageurl(cgit_query_repo, "view",
-                                   fmt("id=%s", sha1_to_hex(sha1)));
+                url = cgit_pageurl(cgit_query_repo, "tag",
+                                   fmt("id=%s", refname));
                 html_link_open(url, NULL, NULL);
                 html_txt(buf);
                 html_link_close();
                 html("</td><td>");
                 if (info->tagger_date > 0)
                         cgit_print_age(info->tagger_date, -1, NULL);
                 html("</td><td>");
                 if (info->tagger)
                         html(info->tagger);
                 html("</td><td>");
-                cgit_print_object_ref(tag->tagged);
+                cgit_object_link(tag->tagged);
                 html("</td></tr>\n");
         } else {
                 if (!header)
                         print_tag_header();
                 html("<tr><td>");
                 html_txt(buf);
                 html("</td><td colspan='2'/><td>");
-                cgit_print_object_ref(obj);
+                cgit_object_link(obj);
                 html("</td></tr>\n");
         }
         return 0;
 }
 
 static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
diff --git a/ui-tag.c b/ui-tag.c
new file mode 100644
index 0000000..a6989ff
--- a/dev/null
+++ b/ui-tag.c
@@ -0,0 +1,74 @@
+/* ui-tag.c: display a tag
+ *
+ * Copyright (C) 2007 Lars Hjemli
+ *
+ * Licensed under GNU General Public License v2
+ *   (see COPYING for full license text)
+ */
+
+#include "cgit.h"
+
+
+static void print_tag_content(char *buf)
+{
+        char *p;
+
+        if (!buf)
+                return;
+
+        html("<div class='commit-subject'>");
+        p = strchr(buf, '\n');
+        if (p)
+                *p = '\0';
+        html_txt(buf);
+        html("</div>");
+        if (p) {
+                html("<div class='commit-msg'>");
+                html_txt(++p);
+                html("</div>");
+        }
+}
+
+void cgit_print_tag(char *revname)
+{
+        unsigned char sha1[20];
+        struct object *obj;
+        struct tag *tag;
+        struct taginfo *info;
+
+        if (get_sha1(revname, sha1)) {
+                cgit_print_error(fmt("Bad tag reference: %s", revname));
+                return;
+        }
+        obj = parse_object(sha1);
+        if (!obj) {
+                cgit_print_error(fmt("Bad object id: %s", sha1_to_hex(sha1)));
+                return;
+        }
+        if (obj->type == OBJ_TAG) {
+                tag = lookup_tag(sha1);
+                if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag))) {
+                        cgit_print_error(fmt("Bad tag object: %s", revname));
+                        return;
+                }
+                html("<table class='commit-info'>\n");
+                htmlf("<tr><td>Tag name</td><td>%s (%s)</td></tr>\n",
+                      revname, sha1_to_hex(sha1));
+                if (info->tagger_date > 0) {
+                        html("<tr><td>Tag date</td><td>");
+                        cgit_print_date(info->tagger_date, FMT_LONGDATE);
+                        html("</td><tr>\n");
+                }
+                if (info->tagger) {
+                        html("<tr><td>Tagged by</td><td>");
+                        html_txt(info->tagger);
+                        html("</td></tr>\n");
+                }
+                html("<tr><td>Tagged object</td><td>");
+                cgit_object_link(tag->tagged);
+                html("</td></tr>\n");
+                html("</table>\n");
+                print_tag_content(info->msg);
+        }
+        return;
+}